adding taxi way to sector file

#1
Hi , My name Mohammed I am trying to update sector file for IVAC ,
I am finish every thing and i want to add the taxiway into sector file
for example A1 , A4 , W , W2 and so on.
if there anyone can help me and explane how to add it ?

Also , how to add the
[Fixes]
[Low Airway]
[High Airway] , and from where can i get it i want for Muscat Int Airport (OOMS)

Thank you
 
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